What are some approaches for teaching the risks of drugs, alcohol, and tobacco use to young children?

Answer the below questions in reference to health and physical education, how it relates to teaching it in the curriculum, components, Instructional practices, and how it may contain controversial or sensitive topics for some students and families.
Answer the following questions:
What are some approaches for teaching the risks of drugs, alcohol, and tobacco use to young children?
How will you teach the importance of physical activity and the repercussions of a lack of physical activity and healthy lifestyle to young children?